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Code validation is an issue that has been tossed back and forth in the SEO world for years. The W3C's standards appear to have the general support of the validation and standards organizations across the Internet, thus leading SEOs to ask the leading question,Does having validated ...

An impressive thread, started by yours truly at SEOChat - Sandbox just a Google-Only Algorithm Piece? has initiated some of the best high-level discussion on Google's unique filter in recent times. A great variety of SEO theorists...

An excellent thread at SEOChat, New Google Link Valuation/Use Methodology, covers the idea that Google discounts or devalues certain types of links. The theory covers the following possible types of outbounds:
Sit...

Many SEOs become paranoid over time that Google is watching their activity and tracing the sites they track and then punishing them. I've never seen any hard proof of this, but there are steps to take if you've become too paranoid to check your search rankings.Nick...

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Advanced search engine optimization demands that the SEO go above and beyond the basic optimization/ranking process and look deeper into the methods the search engines use to understand the structure of the web. One of these methods is concept discovery through the use of putting t...

The duplicate content penalty has been around for several months, perhaps even a full year, but SEOs still aren't fully aware of how dangerous and malicious this tactic can be.The penalty starts when Google or another search engine finds an exact duplication of a certain amoun...

The creation and promulgation of the SEO tools here has led to many people noting that the results returned by the tools are often different from the results they see. This problem can be pinpointed to the datacenter at Google that is being used to get the results....

A recent gap in SERPs between certain Google datacenters, mentioned at SEO-Scoop, lends further credence to the existence of a sandbox filter. Many sites that are suspected to be suffering from the f...

The following is a quote of a Google representative writing to JohnGalt of search engine watch forums:
"The PageRank that is displayed in the Google Toolbar is for entertainment purposes only. Due to repeated attempts by hackers to...

Dr. Garcia, well known by his nickname - Orion - at SearchEngineWatch forums has an exceptional resource that all SEOs looking to delve seriously into the industry should read thoroughly. The site, Mi Islita, a Puerto Rican based SEO company, ...

Three phenomenal tools from MarketLeap offer SEOs some great, all-in-one services. The link popularity check is straightforward, but the comparison piece and graphic interface are an excellent touch. The search engin...

An excellent thread at SEOChat is helping to uncover an uncomfortable phenomenon at Google - sites that rank well are very, very old. While this has been speculated about for many months, these are the first publications of any scale to be released.Read the thread - ...

In two excellent posts in reply to an old theory about a conspiracy surrounding Google's toolbar, EGOL points out the value of SEO money being spent on internally developed content and then goes on to say:Someday, google will rank a site mainly, if not entirely, by its c...

Running the link command at seven different sites is time consuming and boring. Lucky for us, tubbytreats from SEOChat has written a fantastic tool that automatically checks the number of backlinks for Goog...